<template>
  <div>
    <city-header></city-header>
    <city-search
      :cities="cities"
      ></city-search>
    <city-list 
      :hot="hotCities" 
      :cities="cities"
      :letter="letter"
      ></city-list>
    <city-alphabet
      :cities="cities"
      @change="handleLetterChange"
      ></city-alphabet>
  </div>
</template>
<script>
import axios from 'axios'
import CityHeader from './components/header'
import CitySearch from './components/search'
import CityList from './components/list'
import CityAlphabet from './components/Alphabet'
export default {
  name: 'City',
  components: {
    CityHeader,
    CitySearch,
    CityList,
    CityAlphabet
  },
  data() {
    return {
      cities: {},
      hotCities: [],
      letter: ''
    }
  },
  methods: {
    getCityInfo() {
      axios.get('/api/city.json')
       .then(this.handleGetCityInfoSuc);
    },
    handleGetCityInfoSuc(res) {
      res = res.data;
      if(res.ret && res.data) {
        const data = res.data;
        this.cities = data.cities;
        this.hotCities = data.hotCities;
      }
    },
    handleLetterChange (letter) {
      this.letter = letter;
    }
  },
  mounted () {
    this.getCityInfo()
  }
}
</script>
<style>
.city {
  font-size: .32rem
}
</style>
